About this opportunity:
Design, implement, operate and troubleshoot network infrastructure to ensure secure, reliable, and performant connectivity across Ericsson test environment and R&D labs globally. Support projects, changes and incidents; contribute to automation, documentation and continuous improvement.
What you will do:
- Design and upgrade and adapt lab NW framework based on existing and new RAN, security and other requirements
- Deploy, configure and maintain routing, switching, WAN and remote access technologies.
- Support and troubleshoot network incidents (LAN, VPN, EVPN-VxLAN,).
- Implement and maintain network security controls (ACLs, segmentation, VPNs, NAC).
- Participate in network design and change implementations for upgrades, migrations and new services.
- Monitor network health, analyse performance metrics and remediate capacity or stability issues.
- Create and maintain network diagrams, runbooks, SOPs and change records.
- Automate repetitive tasks and manage configurations using IaC or automation tools where applicable.
- Collaborate with security, systems, cloud and application teams; liaise with vendors and service providers.
The skills you bring:
- Routing and switching, strong knowledge of TCP/IP, BGP, OSPF, VLANs, STP and layer-2/3 troubleshooting.
- Experience with data centre fabrics (leaf-spine), EVPN/VXLAN.
- IPsec, Security Gateway
- Network services: IPv4/IPv6, NAT, QoS, DHCP, DNS.
- Security: firewall basics, access controls, VPN configurations and segmentation best practices.
- Tools and platforms: experience with one or more major vendors (Cisco, Juniper, Extreme Networks, etc.).
- Monitoring and telemetry: SNMP, NetFlow/IPFIX, basic use of network monitoring tools and log analysis.
- Automation and scripting: basic Python, Bash or templating; familiarity with Ansible, Terraform or similar is a plus.
It's an advantage if you have:
- Cloud networking: AWS/Azure/GCP VPC/VNet, VPN/Direct Connect/ExpressRoute experience.
- Certifications: CCNP/CCNA, JNCIA, Palo Alto/FortiNet, AWS Advanced Networking or similar.
- Experience with IaC, CI/CD pipelines or network orchestration platforms.
- Knowledge of zero-trust concepts, NAC solutions and advanced security integrations.
Experience and education:
- 3-6 years' hands-on experience in network engineering or operations.
- Degree in Computer Science, Information Technology, Electrical Engineering or equivalent work experience.
- Proven track record of managing network incidents, delivering projects and producing operational documentation.
Behavioural competencies:
- Strong analytical and structured troubleshooting skills.
- Clear communicator; able to explain technical issues to non-technical stakeholders.
- Team player, proactive, detail-oriented and customer-focused.
- Able to work under pressure and participate in an on-call rotation if required.
Why join Ericsson?
At Ericsson, you'll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what's possible. To build solutions never seen before to some of the world's toughest problems. You'll be challenged, but you won't be alone. You'll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.
What happens once you apply?
Click Here to find all you need to know about what our typical hiring process looks like.
Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer. learn more.
Primary country and city: Hungary (HU) || Budapest
Req ID: 778779
Top Skills
What the Team is Saying
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What We Do
Ericsson builds the digital connectivity the world relies on. Our technology underpins the mobile networks, platforms, and systems that billions of people, businesses, and societies depend on every day.
We are a global leader in communications technology, delivering mobile network infrastructure, cloud software, and wireless connectivity solutions for service providers and enterprises worldwide. Our networks support connectivity across 180+ countries, helping power everyday communication as well as critical digital services at global scale.
Connectivity has evolved far beyond consumer mobile use. Today, nearly 80% of the world’s population accesses the internet via mobile networks, and Ericsson is helping shape what comes next. We are advancing 5G and 5G Advanced, developing network APIs that open connectivity to the global developer ecosystem, and applying automation and AI to make networks more intelligent, efficient, and resilient.
Ericsson was the first company to launch live 5G networks on five continents, and our 5G platform is now commercially live in 150+ networks across 60+ countries. We also support more than 36,000 enterprise customers, enabling secure, high-performance connectivity for industries such as manufacturing, aviation, logistics, utilities, and public safety, where reliability and performance are mission critical.
Innovation is central to how we work. Ericsson has approximately 28,000 employees in research and development, backed by one of the strongest intellectual property portfolios in the industry with 60,000+ granted patents. Our engineers, researchers, and technologists work across 100+ global R&D sites, helping define how networks evolve and how digital infrastructure is built for the long term.
As the world moves toward a mobile-first, AI-powered, and cloud-driven future, connectivity becomes the foundation for digital transformation across every industry. Ericsson is building that foundation, shaping the future of digital connectivity through technology that operates at global scale and supports real-world impact, today and for what comes next.
Why Work With Us
Ericsson is a place for people who want to work on technology that powers everyday life. You’ll contribute to large-scale systems used every day, tackle complex challenges in live environments, and keep developing your skills and career in your own vision.
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Employees engage in a combination of remote and on-site work.
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